jdk8-mips64-public/hotspot: src/share/vm/oops/instanceKlass.hpp@bd7a7ce2e264 (annotated)

src/share/vm/oops/instanceKlass.hpp@bd7a7ce2e264 (annotated)

src/share/vm/oops/instanceKlass.hpp

Mon, 12 Nov 2012 14:03:53 -0800

author: minqi
date: Mon, 12 Nov 2012 14:03:53 -0800
changeset 4267: bd7a7ce2e264
parent 4245: 4735d2c84362
child 4345: 30866cd626b0
child 4400: ecd24264898b
permissions: -rw-r--r--

6830717: replay of compilations would help with debugging
Summary: When java process crashed in compiler thread, repeat the compilation process will help finding root cause. This is done with using SA dump application class data and replay data from core dump, then use debug version of jvm to recompile the problematic java method.
Reviewed-by: kvn, twisti, sspitsyn
Contributed-by: yumin.qi@oracle.com

 /*
  * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  *
  */
 #ifndef SHARE_VM_OOPS_INSTANCEKLASS_HPP
 #define SHARE_VM_OOPS_INSTANCEKLASS_HPP
 #include "classfile/classLoaderData.hpp"
 #include "oops/annotations.hpp"
 #include "oops/constMethod.hpp"
 #include "oops/fieldInfo.hpp"
 #include "oops/instanceOop.hpp"
 #include "oops/klassVtable.hpp"
 #include "runtime/handles.hpp"
 #include "runtime/os.hpp"
 #include "utilities/accessFlags.hpp"
 #include "utilities/bitMap.inline.hpp"
 // An InstanceKlass is the VM level representation of a Java class.
 // It contains all information needed for at class at execution runtime.
 //  InstanceKlass layout:
 //    [C++ vtbl pointer           ] Klass
 //    [subtype cache              ] Klass
 //    [instance size              ] Klass
 //    [java mirror                ] Klass
 //    [super                      ] Klass
 //    [access_flags               ] Klass
 //    [name                       ] Klass
 //    [first subklass             ] Klass
 //    [next sibling               ] Klass
 //    [array klasses              ]
 //    [methods                    ]
 //    [local interfaces           ]
 //    [transitive interfaces      ]
 //    [fields                     ]
 //    [constants                  ]
 //    [class loader               ]
 //    [protection domain          ]
 //    [signers                    ]
 //    [source file name           ]
 //    [inner classes              ]
 //    [static field size          ]
 //    [nonstatic field size       ]
 //    [static oop fields size     ]
 //    [nonstatic oop maps size    ]
 //    [has finalize method        ]
 //    [deoptimization mark bit    ]
 //    [initialization state       ]
 //    [initializing thread        ]
 //    [Java vtable length         ]
 //    [oop map cache (stack maps) ]
 //    [EMBEDDED Java vtable             ] size in words = vtable_len
 //    [EMBEDDED nonstatic oop-map blocks] size in words = nonstatic_oop_map_size
 //      The embedded nonstatic oop-map blocks are short pairs (offset, length)
 //      indicating where oops are located in instances of this klass.
 //    [EMBEDDED implementor of the interface] only exist for interface
 //    [EMBEDDED host klass        ] only exist for an anonymous class (JSR 292 enabled)
 // forward declaration for class -- see below for definition
 class SuperTypeClosure;
 class JNIid;
 class jniIdMapBase;
 class BreakpointInfo;
 class fieldDescriptor;
 class DepChange;
 class nmethodBucket;
 class PreviousVersionNode;
 class JvmtiCachedClassFieldMap;
 // This is used in iterators below.
 class FieldClosure: public StackObj {
 public:
   virtual void do_field(fieldDescriptor* fd) = 0;
 };
 #ifndef PRODUCT
 // Print fields.
 // If "obj" argument to constructor is NULL, prints static fields, otherwise prints non-static fields.
 class FieldPrinter: public FieldClosure {
    oop _obj;
    outputStream* _st;
  public:
    FieldPrinter(outputStream* st, oop obj = NULL) : _obj(obj), _st(st) {}
    void do_field(fieldDescriptor* fd);
 };
 #endif  // !PRODUCT
 // ValueObjs embedded in klass. Describes where oops are located in instances of
 // this klass.
 class OopMapBlock VALUE_OBJ_CLASS_SPEC {
  public:
   // Byte offset of the first oop mapped by this block.
   int offset() const          { return _offset; }
   void set_offset(int offset) { _offset = offset; }
   // Number of oops in this block.
   uint count() const         { return _count; }
   void set_count(uint count) { _count = count; }
   // sizeof(OopMapBlock) in HeapWords.
   static const int size_in_words() {
     return align_size_up(int(sizeof(OopMapBlock)), HeapWordSize) >>
       LogHeapWordSize;
   }
  private:
   int  _offset;
   uint _count;
 };
 class InstanceKlass: public Klass {
   friend class VMStructs;
   friend class ClassFileParser;
   friend class CompileReplay;
  protected:
   // Constructor
   InstanceKlass(int vtable_len,
                 int itable_len,
                 int static_field_size,
                 int nonstatic_oop_map_size,
                 ReferenceType rt,
                 AccessFlags access_flags,
                 bool is_anonymous);
  public:
   static Klass* allocate_instance_klass(ClassLoaderData* loader_data,
                                           int vtable_len,
                                           int itable_len,
                                           int static_field_size,
                                           int nonstatic_oop_map_size,
                                           ReferenceType rt,
                                           AccessFlags access_flags,
                                           Symbol* name,
                                         Klass* super_klass,
                                           KlassHandle host_klass,
                                           TRAPS);
   InstanceKlass() { assert(DumpSharedSpaces || UseSharedSpaces, "only for CDS"); }
   // See "The Java Virtual Machine Specification" section 2.16.2-5 for a detailed description
   // of the class loading & initialization procedure, and the use of the states.
   enum ClassState {
     allocated,                          // allocated (but not yet linked)
     loaded,                             // loaded and inserted in class hierarchy (but not linked yet)
     linked,                             // successfully linked/verified (but not initialized yet)
     being_initialized,                  // currently running class initializer
     fully_initialized,                  // initialized (successfull final state)
     initialization_error                // error happened during initialization
   };
  protected:
   // Protection domain.
   oop             _protection_domain;
   // Class signers.
   objArrayOop     _signers;
   // Initialization lock.  Must be one per class and it has to be a VM internal
   // object so java code cannot lock it (like the mirror)
   // It has to be an object not a Mutex because it's held through java calls.
   volatile oop    _init_lock;
   // Annotations for this class
   Annotations*    _annotations;
   // Array classes holding elements of this class.
   Klass*          _array_klasses;
   // Constant pool for this class.
   ConstantPool* _constants;
   // The InnerClasses attribute and EnclosingMethod attribute. The
   // _inner_classes is an array of shorts. If the class has InnerClasses
   // attribute, then the _inner_classes array begins with 4-tuples of shorts
   // [inner_class_info_index, outer_class_info_index,
   // inner_name_index, inner_class_access_flags] for the InnerClasses
   // attribute. If the EnclosingMethod attribute exists, it occupies the
   // last two shorts [class_index, method_index] of the array. If only
   // the InnerClasses attribute exists, the _inner_classes array length is
   // number_of_inner_classes * 4. If the class has both InnerClasses
   // and EnclosingMethod attributes the _inner_classes array length is
   // number_of_inner_classes * 4 + enclosing_method_attribute_size.
   Array<jushort>* _inner_classes;
   // Name of source file containing this klass, NULL if not specified.
   Symbol*         _source_file_name;
   // the source debug extension for this klass, NULL if not specified.
   // Specified as UTF-8 string without terminating zero byte in the classfile,
   // it is stored in the instanceklass as a NULL-terminated UTF-8 string
   char*           _source_debug_extension;
   // Generic signature, or null if none.
   Symbol*         _generic_signature;
   // Array name derived from this class which needs unreferencing
   // if this class is unloaded.
   Symbol*         _array_name;
   // Number of heapOopSize words used by non-static fields in this klass
   // (including inherited fields but after header_size()).
   int             _nonstatic_field_size;
   int             _static_field_size;    // number words used by static fields (oop and non-oop) in this klass
   u2              _static_oop_field_count;// number of static oop fields in this klass
   u2              _java_fields_count;    // The number of declared Java fields
   int             _nonstatic_oop_map_size;// size in words of nonstatic oop map blocks
   bool            _is_marked_dependent;  // used for marking during flushing and deoptimization
   enum {
     _misc_rewritten            = 1 << 0, // methods rewritten.
     _misc_has_nonstatic_fields = 1 << 1, // for sizing with UseCompressedOops
     _misc_should_verify_class  = 1 << 2, // allow caching of preverification
     _misc_is_anonymous         = 1 << 3  // has embedded _inner_classes field
   };
   u2              _misc_flags;
   u2              _minor_version;        // minor version number of class file
   u2              _major_version;        // major version number of class file
   Thread*         _init_thread;          // Pointer to current thread doing initialization (to handle recusive initialization)
   int             _vtable_len;           // length of Java vtable (in words)
   int             _itable_len;           // length of Java itable (in words)
   OopMapCache*    volatile _oop_map_cache;   // OopMapCache for all methods in the klass (allocated lazily)
   JNIid*          _jni_ids;              // First JNI identifier for static fields in this class
   jmethodID*      _methods_jmethod_ids;  // jmethodIDs corresponding to method_idnum, or NULL if none
   int*            _methods_cached_itable_indices;  // itable_index cache for JNI invoke corresponding to methods idnum, or NULL
   nmethodBucket*  _dependencies;         // list of dependent nmethods
   nmethod*        _osr_nmethods_head;    // Head of list of on-stack replacement nmethods for this class
   BreakpointInfo* _breakpoints;          // bpt lists, managed by Method*
   // Array of interesting part(s) of the previous version(s) of this
   // InstanceKlass. See PreviousVersionWalker below.
   GrowableArray<PreviousVersionNode *>* _previous_versions;
   // JVMTI fields can be moved to their own structure - see 6315920
   unsigned char * _cached_class_file_bytes;       // JVMTI: cached class file, before retransformable agent modified it in CFLH
   jint            _cached_class_file_len;         // JVMTI: length of above
   JvmtiCachedClassFieldMap* _jvmti_cached_class_field_map;  // JVMTI: used during heap iteration
   // true if class, superclass, or implemented interfaces have default methods
   bool            _has_default_methods;
   volatile u2     _idnum_allocated_count;         // JNI/JVMTI: increments with the addition of methods, old ids don't change
   // Method array.
   Array<Method*>* _methods;
   // Interface (Klass*s) this class declares locally to implement.
   Array<Klass*>* _local_interfaces;
   // Interface (Klass*s) this class implements transitively.
   Array<Klass*>* _transitive_interfaces;
   // Int array containing the original order of method in the class file (for JVMTI).
   Array<int>*     _method_ordering;
   // Instance and static variable information, starts with 6-tuples of shorts
   // [access, name index, sig index, initval index, low_offset, high_offset]
   // for all fields, followed by the generic signature data at the end of
   // the array. Only fields with generic signature attributes have the generic
   // signature data set in the array. The fields array looks like following:
   //
   // f1: [access, name index, sig index, initial value index, low_offset, high_offset]
   // f2: [access, name index, sig index, initial value index, low_offset, high_offset]
   //      ...
   // fn: [access, name index, sig index, initial value index, low_offset, high_offset]
   //     [generic signature index]
   //     [generic signature index]
   //     ...
   Array<u2>*      _fields;
   // Class states are defined as ClassState (see above).
   // Place the _init_state here to utilize the unused 2-byte after
   // _idnum_allocated_count.
   u1              _init_state;                    // state of class
   u1              _reference_type;                // reference type
   // embedded Java vtable follows here
   // embedded Java itables follows here
   // embedded static fields follows here
   // embedded nonstatic oop-map blocks follows here
   // embedded implementor of this interface follows here
   //   The embedded implementor only exists if the current klass is an
   //   iterface. The possible values of the implementor fall into following
   //   three cases:
   //     NULL: no implementor.
   //     A Klass* that's not itself: one implementor.
   //     Itsef: more than one implementors.
   // embedded host klass follows here
   //   The embedded host klass only exists in an anonymous class for
   //   dynamic language support (JSR 292 enabled). The host class grants
   //   its access privileges to this class also. The host class is either
   //   named, or a previously loaded anonymous class. A non-anonymous class
   //   or an anonymous class loaded through normal classloading does not
   //   have this embedded field.
   //
   friend class SystemDictionary;
  public:
   bool has_nonstatic_fields() const        {
     return (_misc_flags & _misc_has_nonstatic_fields) != 0;
   }
   void set_has_nonstatic_fields(bool b)    {
     if (b) {
       _misc_flags |= _misc_has_nonstatic_fields;
     } else {
       _misc_flags &= ~_misc_has_nonstatic_fields;
     }
   }
   // field sizes
   int nonstatic_field_size() const         { return _nonstatic_field_size; }
   void set_nonstatic_field_size(int size)  { _nonstatic_field_size = size; }
   int static_field_size() const            { return _static_field_size; }
   void set_static_field_size(int size)     { _static_field_size = size; }
   int static_oop_field_count() const       { return (int)_static_oop_field_count; }
   void set_static_oop_field_count(u2 size) { _static_oop_field_count = size; }
   // Java vtable
   int  vtable_length() const               { return _vtable_len; }
   void set_vtable_length(int len)          { _vtable_len = len; }
   // Java itable
   int  itable_length() const               { return _itable_len; }
   void set_itable_length(int len)          { _itable_len = len; }
   // array klasses
   Klass* array_klasses() const             { return _array_klasses; }
   void set_array_klasses(Klass* k)         { _array_klasses = k; }
   // methods
   Array<Method*>* methods() const          { return _methods; }
   void set_methods(Array<Method*>* a)      { _methods = a; }
   Method* method_with_idnum(int idnum);
   // method ordering
   Array<int>* method_ordering() const     { return _method_ordering; }
   void set_method_ordering(Array<int>* m) { _method_ordering = m; }
   // interfaces
   Array<Klass*>* local_interfaces() const          { return _local_interfaces; }
   void set_local_interfaces(Array<Klass*>* a)      {
     guarantee(_local_interfaces == NULL || a == NULL, "Just checking");
     _local_interfaces = a; }
   Array<Klass*>* transitive_interfaces() const     { return _transitive_interfaces; }
   void set_transitive_interfaces(Array<Klass*>* a) {
     guarantee(_transitive_interfaces == NULL || a == NULL, "Just checking");
     _transitive_interfaces = a; }
  private:
   friend class fieldDescriptor;
   FieldInfo* field(int index) const { return FieldInfo::from_field_array(_fields, index); }
  public:
   int     field_offset      (int index) const { return field(index)->offset(); }
   int     field_access_flags(int index) const { return field(index)->access_flags(); }
   Symbol* field_name        (int index) const { return field(index)->name(constants()); }
   Symbol* field_signature   (int index) const { return field(index)->signature(constants()); }
   // Number of Java declared fields
   int java_fields_count() const           { return (int)_java_fields_count; }
   Array<u2>* fields() const            { return _fields; }
   void set_fields(Array<u2>* f, u2 java_fields_count) {
     guarantee(_fields == NULL || f == NULL, "Just checking");
     _fields =  f;
     _java_fields_count = java_fields_count;
   }
   // inner classes
   Array<u2>* inner_classes() const       { return _inner_classes; }
   void set_inner_classes(Array<u2>* f)   { _inner_classes = f; }
   enum InnerClassAttributeOffset {
     // From http://mirror.eng/products/jdk/1.1/docs/guide/innerclasses/spec/innerclasses.doc10.html#18814
     inner_class_inner_class_info_offset = 0,
     inner_class_outer_class_info_offset = 1,
     inner_class_inner_name_offset = 2,
     inner_class_access_flags_offset = 3,
     inner_class_next_offset = 4
   };
   enum EnclosingMethodAttributeOffset {
     enclosing_method_class_index_offset = 0,
     enclosing_method_method_index_offset = 1,
     enclosing_method_attribute_size = 2
   };
   // method override check
   bool is_override(methodHandle super_method, Handle targetclassloader, Symbol* targetclassname, TRAPS);
   // package
   bool is_same_class_package(Klass* class2);
   bool is_same_class_package(oop classloader2, Symbol* classname2);
   static bool is_same_class_package(oop class_loader1, Symbol* class_name1, oop class_loader2, Symbol* class_name2);
   // find an enclosing class (defined where original code was, in jvm.cpp!)
   Klass* compute_enclosing_class(bool* inner_is_member, TRAPS) {
     instanceKlassHandle self(THREAD, this);
     return compute_enclosing_class_impl(self, inner_is_member, THREAD);
   }
   static Klass* compute_enclosing_class_impl(instanceKlassHandle self,
                                                bool* inner_is_member, TRAPS);
   // tell if two classes have the same enclosing class (at package level)
   bool is_same_package_member(Klass* class2, TRAPS) {
     instanceKlassHandle self(THREAD, this);
     return is_same_package_member_impl(self, class2, THREAD);
   }
   static bool is_same_package_member_impl(instanceKlassHandle self,
                                           Klass* class2, TRAPS);
   // initialization state
   bool is_loaded() const                   { return _init_state >= loaded; }
   bool is_linked() const                   { return _init_state >= linked; }
   bool is_initialized() const              { return _init_state == fully_initialized; }
   bool is_not_initialized() const          { return _init_state <  being_initialized; }
   bool is_being_initialized() const        { return _init_state == being_initialized; }
   bool is_in_error_state() const           { return _init_state == initialization_error; }
   bool is_reentrant_initialization(Thread *thread)  { return thread == _init_thread; }
   ClassState  init_state()                 { return (ClassState)_init_state; }
   bool is_rewritten() const                { return (_misc_flags & _misc_rewritten) != 0; }
   // defineClass specified verification
   bool should_verify_class() const         {
     return (_misc_flags & _misc_should_verify_class) != 0;
   }
   void set_should_verify_class(bool value) {
     if (value) {
       _misc_flags |= _misc_should_verify_class;
     } else {
       _misc_flags &= ~_misc_should_verify_class;
     }
   }
   // marking
   bool is_marked_dependent() const         { return _is_marked_dependent; }
   void set_is_marked_dependent(bool value) { _is_marked_dependent = value; }
   // initialization (virtuals from Klass)
   bool should_be_initialized() const;  // means that initialize should be called
   void initialize(TRAPS);
   void link_class(TRAPS);
   bool link_class_or_fail(TRAPS); // returns false on failure
   void unlink_class();
   void rewrite_class(TRAPS);
   void relocate_and_link_methods(TRAPS);
   Method* class_initializer();
   // set the class to initialized if no static initializer is present
   void eager_initialize(Thread *thread);
   // reference type
   ReferenceType reference_type() const     { return (ReferenceType)_reference_type; }
   void set_reference_type(ReferenceType t) {
     assert(t == (u1)t, "overflow");
     _reference_type = (u1)t;
   }
   static ByteSize reference_type_offset() { return in_ByteSize(offset_of(InstanceKlass, _reference_type)); }
   // find local field, returns true if found
   bool find_local_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const;
   // find field in direct superinterfaces, returns the interface in which the field is defined
   Klass* find_interface_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const;
   // find field according to JVM spec 5.4.3.2, returns the klass in which the field is defined
   Klass* find_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const;
   // find instance or static fields according to JVM spec 5.4.3.2, returns the klass in which the field is defined
   Klass* find_field(Symbol* name, Symbol* sig, bool is_static, fieldDescriptor* fd) const;
   // find a non-static or static field given its offset within the class.
   bool contains_field_offset(int offset) {
     return instanceOopDesc::contains_field_offset(offset, nonstatic_field_size());
   }
   bool find_local_field_from_offset(int offset, bool is_static, fieldDescriptor* fd) const;
   bool find_field_from_offset(int offset, bool is_static, fieldDescriptor* fd) const;
   // find a local method (returns NULL if not found)
   Method* find_method(Symbol* name, Symbol* signature) const;
   static Method* find_method(Array<Method*>* methods, Symbol* name, Symbol* signature);
   // lookup operation (returns NULL if not found)
   Method* uncached_lookup_method(Symbol* name, Symbol* signature) const;
   // lookup a method in all the interfaces that this class implements
   // (returns NULL if not found)
   Method* lookup_method_in_all_interfaces(Symbol* name, Symbol* signature) const;
   // Find method indices by name.  If a method with the specified name is
   // found the index to the first method is returned, and 'end' is filled in
   // with the index of first non-name-matching method.  If no method is found
   // -1 is returned.
   int find_method_by_name(Symbol* name, int* end);
   static int find_method_by_name(Array<Method*>* methods, Symbol* name, int* end);
   // constant pool
   ConstantPool* constants() const        { return _constants; }
   void set_constants(ConstantPool* c)    { _constants = c; }
   // protection domain
   oop protection_domain()                  { return _protection_domain; }
   void set_protection_domain(oop pd)       { klass_oop_store(&_protection_domain, pd); }
   // host class
   Klass* host_klass() const              {
     Klass** hk = (Klass**)adr_host_klass();
     if (hk == NULL) {
       return NULL;
     } else {
       return *hk;
     }
   }
   void set_host_klass(Klass* host)            {
     assert(is_anonymous(), "not anonymous");
     Klass** addr = (Klass**)adr_host_klass();
     assert(addr != NULL, "no reversed space");
     *addr = host;
   }
   bool is_anonymous() const                {
     return (_misc_flags & _misc_is_anonymous) != 0;
   }
   void set_is_anonymous(bool value)        {
     if (value) {
       _misc_flags |= _misc_is_anonymous;
     } else {
       _misc_flags &= ~_misc_is_anonymous;
     }
   }
   // signers
   objArrayOop signers() const              { return _signers; }
   void set_signers(objArrayOop s)          { klass_oop_store((oop*)&_signers, s); }
   // source file name
   Symbol* source_file_name() const         { return _source_file_name; }
   void set_source_file_name(Symbol* n);
   // minor and major version numbers of class file
   u2 minor_version() const                 { return _minor_version; }
   void set_minor_version(u2 minor_version) { _minor_version = minor_version; }
   u2 major_version() const                 { return _major_version; }
   void set_major_version(u2 major_version) { _major_version = major_version; }
   // source debug extension
   char* source_debug_extension() const     { return _source_debug_extension; }
   void set_source_debug_extension(char* array, int length);
   // symbol unloading support (refcount already added)
   Symbol* array_name()                     { return _array_name; }
   void set_array_name(Symbol* name)        { assert(_array_name == NULL, "name already created"); _array_name = name; }
   // nonstatic oop-map blocks
   static int nonstatic_oop_map_size(unsigned int oop_map_count) {
     return oop_map_count * OopMapBlock::size_in_words();
   }
   unsigned int nonstatic_oop_map_count() const {
     return _nonstatic_oop_map_size / OopMapBlock::size_in_words();
   }
   int nonstatic_oop_map_size() const { return _nonstatic_oop_map_size; }
   void set_nonstatic_oop_map_size(int words) {
     _nonstatic_oop_map_size = words;
   }
   // RedefineClasses() support for previous versions:
   void add_previous_version(instanceKlassHandle ikh, BitMap *emcp_methods,
          int emcp_method_count);
   // If the _previous_versions array is non-NULL, then this klass
   // has been redefined at least once even if we aren't currently
   // tracking a previous version.
   bool has_been_redefined() const { return _previous_versions != NULL; }
   bool has_previous_version() const;
   void init_previous_versions() {
     _previous_versions = NULL;
   }
   GrowableArray<PreviousVersionNode *>* previous_versions() const {
     return _previous_versions;
   }
   static void purge_previous_versions(InstanceKlass* ik);
   // JVMTI: Support for caching a class file before it is modified by an agent that can do retransformation
   void set_cached_class_file(unsigned char *class_file_bytes,
                              jint class_file_len)     { _cached_class_file_len = class_file_len;
                                                         _cached_class_file_bytes = class_file_bytes; }
   jint get_cached_class_file_len()                    { return _cached_class_file_len; }
   unsigned char * get_cached_class_file_bytes()       { return _cached_class_file_bytes; }
   // JVMTI: Support for caching of field indices, types, and offsets
   void set_jvmti_cached_class_field_map(JvmtiCachedClassFieldMap* descriptor) {
     _jvmti_cached_class_field_map = descriptor;
   }
   JvmtiCachedClassFieldMap* jvmti_cached_class_field_map() const {
     return _jvmti_cached_class_field_map;
   }
   bool has_default_methods() const { return _has_default_methods; }
   void set_has_default_methods(bool b) { _has_default_methods = b; }
   // for adding methods, ConstMethod::UNSET_IDNUM means no more ids available
   inline u2 next_method_idnum();
   void set_initial_method_idnum(u2 value)             { _idnum_allocated_count = value; }
   // generics support
   Symbol* generic_signature() const                   { return _generic_signature; }
   void set_generic_signature(Symbol* sig)             { _generic_signature = sig; }
   u2 enclosing_method_data(int offset);
   u2 enclosing_method_class_index() {
     return enclosing_method_data(enclosing_method_class_index_offset);
   }
   u2 enclosing_method_method_index() {
     return enclosing_method_data(enclosing_method_method_index_offset);
   }
   void set_enclosing_method_indices(u2 class_index,
                                     u2 method_index);
   // jmethodID support
   static jmethodID get_jmethod_id(instanceKlassHandle ik_h,
                      methodHandle method_h);
   static jmethodID get_jmethod_id_fetch_or_update(instanceKlassHandle ik_h,
                      size_t idnum, jmethodID new_id, jmethodID* new_jmeths,
                      jmethodID* to_dealloc_id_p,
                      jmethodID** to_dealloc_jmeths_p);
   static void get_jmethod_id_length_value(jmethodID* cache, size_t idnum,
                 size_t *length_p, jmethodID* id_p);
   jmethodID jmethod_id_or_null(Method* method);
   // cached itable index support
   void set_cached_itable_index(size_t idnum, int index);
   int cached_itable_index(size_t idnum);
   // annotations support
   Annotations* annotations() const          { return _annotations; }
   void set_annotations(Annotations* anno)   { _annotations = anno; }
   AnnotationArray* class_annotations() const {
     if (annotations() == NULL) return NULL;
     return annotations()->class_annotations();
   }
   Array<AnnotationArray*>* fields_annotations() const {
     if (annotations() == NULL) return NULL;
     return annotations()->fields_annotations();
   }
   // allocation
   instanceOop allocate_instance(TRAPS);
   // additional member function to return a handle
   instanceHandle allocate_instance_handle(TRAPS)      { return instanceHandle(THREAD, allocate_instance(THREAD)); }
   objArrayOop allocate_objArray(int n, int length, TRAPS);
   // Helper function
   static instanceOop register_finalizer(instanceOop i, TRAPS);
   // Check whether reflection/jni/jvm code is allowed to instantiate this class;
   // if not, throw either an Error or an Exception.
   virtual void check_valid_for_instantiation(bool throwError, TRAPS);
   // initialization
   void call_class_initializer(TRAPS);
   void set_initialization_state_and_notify(ClassState state, TRAPS);
   // OopMapCache support
   OopMapCache* oop_map_cache()               { return _oop_map_cache; }
   void set_oop_map_cache(OopMapCache *cache) { _oop_map_cache = cache; }
   void mask_for(methodHandle method, int bci, InterpreterOopMap* entry);
   // JNI identifier support (for static fields - for jni performance)
   JNIid* jni_ids()                               { return _jni_ids; }
   void set_jni_ids(JNIid* ids)                   { _jni_ids = ids; }
   JNIid* jni_id_for(int offset);
   // maintenance of deoptimization dependencies
   int mark_dependent_nmethods(DepChange& changes);
   void add_dependent_nmethod(nmethod* nm);
   void remove_dependent_nmethod(nmethod* nm);
   // On-stack replacement support
   nmethod* osr_nmethods_head() const         { return _osr_nmethods_head; };
   void set_osr_nmethods_head(nmethod* h)     { _osr_nmethods_head = h; };
   void add_osr_nmethod(nmethod* n);
   void remove_osr_nmethod(nmethod* n);
   nmethod* lookup_osr_nmethod(Method* const m, int bci, int level, bool match_level) const;
   // Breakpoint support (see methods on Method* for details)
   BreakpointInfo* breakpoints() const       { return _breakpoints; };
   void set_breakpoints(BreakpointInfo* bps) { _breakpoints = bps; };
   // support for stub routines
   static ByteSize init_state_offset()  { return in_ByteSize(offset_of(InstanceKlass, _init_state)); }
   TRACE_DEFINE_OFFSET;
   static ByteSize init_thread_offset() { return in_ByteSize(offset_of(InstanceKlass, _init_thread)); }
   // subclass/subinterface checks
   bool implements_interface(Klass* k) const;
   // Access to the implementor of an interface.
   Klass* implementor() const
   {
     Klass** k = adr_implementor();
     if (k == NULL) {
       return NULL;
     } else {
       return *k;
     }
   }
   void set_implementor(Klass* k) {
     assert(is_interface(), "not interface");
     Klass** addr = adr_implementor();
     *addr = k;
   }
   int  nof_implementors() const       {
     Klass* k = implementor();
     if (k == NULL) {
       return 0;
     } else if (k != this) {
       return 1;
     } else {
       return 2;
     }
   }
   void add_implementor(Klass* k);  // k is a new class that implements this interface
   void init_implementor();           // initialize
   // link this class into the implementors list of every interface it implements
   void process_interfaces(Thread *thread);
   // virtual operations from Klass
   bool is_leaf_class() const               { return _subklass == NULL; }
   GrowableArray<Klass*>* compute_secondary_supers(int num_extra_slots);
   bool compute_is_subtype_of(Klass* k);
   bool can_be_primary_super_slow() const;
   int oop_size(oop obj)  const             { return size_helper(); }
   bool oop_is_instance_slow() const        { return true; }
   // Iterators
   void do_local_static_fields(FieldClosure* cl);
   void do_nonstatic_fields(FieldClosure* cl); // including inherited fields
   void do_local_static_fields(void f(fieldDescriptor*, TRAPS), TRAPS);
   void methods_do(void f(Method* method));
   void array_klasses_do(void f(Klass* k));
   void array_klasses_do(void f(Klass* k, TRAPS), TRAPS);
   void with_array_klasses_do(void f(Klass* k));
   bool super_types_do(SuperTypeClosure* blk);
   // Casting from Klass*
   static InstanceKlass* cast(Klass* k) {
     assert(k->is_klass(), "must be");
     assert(k->oop_is_instance(), "cast to InstanceKlass");
     return (InstanceKlass*) k;
   }
   InstanceKlass* java_super() const {
     return (super() == NULL) ? NULL : cast(super());
   }
   // Sizing (in words)
   static int header_size()            { return align_object_offset(sizeof(InstanceKlass)/HeapWordSize); }
   static int size(int vtable_length, int itable_length,
                   int nonstatic_oop_map_size,
                   bool is_interface, bool is_anonymous) {
     return align_object_size(header_size() +
            align_object_offset(vtable_length) +
            align_object_offset(itable_length) +
            ((is_interface || is_anonymous) ?
              align_object_offset(nonstatic_oop_map_size) :
              nonstatic_oop_map_size) +
            (is_interface ? (int)sizeof(Klass*)/HeapWordSize : 0) +
            (is_anonymous ? (int)sizeof(Klass*)/HeapWordSize : 0));
   }
   int size() const                    { return size(vtable_length(),
                                                itable_length(),
                                                nonstatic_oop_map_size(),
                                                is_interface(),
                                                is_anonymous());
   }
   static int vtable_start_offset()    { return header_size(); }
   static int vtable_length_offset()   { return offset_of(InstanceKlass, _vtable_len) / HeapWordSize; }
   intptr_t* start_of_vtable() const        { return ((intptr_t*)this) + vtable_start_offset(); }
   intptr_t* start_of_itable() const        { return start_of_vtable() + align_object_offset(vtable_length()); }
   int  itable_offset_in_words() const { return start_of_itable() - (intptr_t*)this; }
   intptr_t* end_of_itable() const          { return start_of_itable() + itable_length(); }
   address static_field_addr(int offset);
   OopMapBlock* start_of_nonstatic_oop_maps() const {
     return (OopMapBlock*)(start_of_itable() + align_object_offset(itable_length()));
   }
   Klass** adr_implementor() const {
     if (is_interface()) {
       return (Klass**)(start_of_nonstatic_oop_maps() +
                     nonstatic_oop_map_count());
     } else {
       return NULL;
     }
   };
   Klass** adr_host_klass() const {
     if (is_anonymous()) {
       Klass** adr_impl = adr_implementor();
       if (adr_impl != NULL) {
         return adr_impl + 1;
       } else {
         return (Klass**)(start_of_nonstatic_oop_maps() +
                       nonstatic_oop_map_count());
       }
     } else {
       return NULL;
     }
   }
   // Allocation profiling support
   juint alloc_size() const            { return _alloc_count * size_helper(); }
   void set_alloc_size(juint n)        {}
   // Use this to return the size of an instance in heap words:
   int size_helper() const {
     return layout_helper_to_size_helper(layout_helper());
   }
   // This bit is initialized in classFileParser.cpp.
   // It is false under any of the following conditions:
   //  - the class is abstract (including any interface)
   //  - the class has a finalizer (if !RegisterFinalizersAtInit)
   //  - the class size is larger than FastAllocateSizeLimit
   //  - the class is java/lang/Class, which cannot be allocated directly
   bool can_be_fastpath_allocated() const {
     return !layout_helper_needs_slow_path(layout_helper());
   }
   // Java vtable/itable
   klassVtable* vtable() const;        // return new klassVtable wrapper
   inline Method* method_at_vtable(int index);
   klassItable* itable() const;        // return new klassItable wrapper
   Method* method_at_itable(Klass* holder, int index, TRAPS);
   // Garbage collection
   virtual void oops_do(OopClosure* cl);
   void oop_follow_contents(oop obj);
   int  oop_adjust_pointers(oop obj);
   void clean_implementors_list(BoolObjectClosure* is_alive);
   void clean_method_data(BoolObjectClosure* is_alive);
   // Explicit metaspace deallocation of fields
   // For RedefineClasses, we need to deallocate instanceKlasses
   void deallocate_contents(ClassLoaderData* loader_data);
   // The constant pool is on stack if any of the methods are executing or
   // referenced by handles.
   bool on_stack() const { return _constants->on_stack(); }
   void release_C_heap_structures();
   // Parallel Scavenge and Parallel Old
   PARALLEL_GC_DECLS
   // Naming
   const char* signature_name() const;
   // Iterators
   int oop_oop_iterate(oop obj, ExtendedOopClosure* blk) {
     return oop_oop_iterate_v(obj, blk);
   }
   int oop_oop_iterate_m(oop obj, ExtendedOopClosure* blk, MemRegion mr) {
     return oop_oop_iterate_v_m(obj, blk, mr);
   }
 #define InstanceKlass_OOP_OOP_ITERATE_DECL(OopClosureType, nv_suffix)      \
   int  oop_oop_iterate##nv_suffix(oop obj, OopClosureType* blk);           \
   int  oop_oop_iterate##nv_suffix##_m(oop obj, OopClosureType* blk,        \
                                       MemRegion mr);
   ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceKlass_OOP_OOP_ITERATE_DECL)
   ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceKlass_OOP_OOP_ITERATE_DECL)
 #ifndef SERIALGC
 #define InstanceKlass_OOP_OOP_ITERATE_BACKWARDS_DECL(OopClosureType, nv_suffix) \
   int  oop_oop_iterate_backwards##nv_suffix(oop obj, OopClosureType* blk);
   ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceKlass_OOP_OOP_ITERATE_BACKWARDS_DECL)
   ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceKlass_OOP_OOP_ITERATE_BACKWARDS_DECL)
 #endif // !SERIALGC
   u2 idnum_allocated_count() const      { return _idnum_allocated_count; }
 private:
   // initialization state
 #ifdef ASSERT
   void set_init_state(ClassState state);
 #else
   void set_init_state(ClassState state) { _init_state = (u1)state; }
 #endif
   void set_rewritten()                  { _misc_flags |= _misc_rewritten; }
   void set_init_thread(Thread *thread)  { _init_thread = thread; }
   // The RedefineClasses() API can cause new method idnums to be needed
   // which will cause the caches to grow. Safety requires different
   // cache management logic if the caches can grow instead of just
   // going from NULL to non-NULL.
   bool idnum_can_increment() const      { return has_been_redefined(); }
   jmethodID* methods_jmethod_ids_acquire() const
          { return (jmethodID*)OrderAccess::load_ptr_acquire(&_methods_jmethod_ids); }
   void release_set_methods_jmethod_ids(jmethodID* jmeths)
          { OrderAccess::release_store_ptr(&_methods_jmethod_ids, jmeths); }
   int* methods_cached_itable_indices_acquire() const
          { return (int*)OrderAccess::load_ptr_acquire(&_methods_cached_itable_indices); }
   void release_set_methods_cached_itable_indices(int* indices)
          { OrderAccess::release_store_ptr(&_methods_cached_itable_indices, indices); }
   // Lock during initialization
   volatile oop init_lock() const;
   void set_init_lock(oop value)      { klass_oop_store(&_init_lock, value); }
   void fence_and_clear_init_lock();  // after fully_initialized
   // Offsets for memory management
   oop* adr_protection_domain() const { return (oop*)&this->_protection_domain;}
   oop* adr_signers() const           { return (oop*)&this->_signers;}
   oop* adr_init_lock() const         { return (oop*)&this->_init_lock;}
   // Static methods that are used to implement member methods where an exposed this pointer
   // is needed due to possible GCs
   static bool link_class_impl                           (instanceKlassHandle this_oop, bool throw_verifyerror, TRAPS);
   static bool verify_code                               (instanceKlassHandle this_oop, bool throw_verifyerror, TRAPS);
   static void initialize_impl                           (instanceKlassHandle this_oop, TRAPS);
   static void eager_initialize_impl                     (instanceKlassHandle this_oop);
   static void set_initialization_state_and_notify_impl  (instanceKlassHandle this_oop, ClassState state, TRAPS);
   static void call_class_initializer_impl               (instanceKlassHandle this_oop, TRAPS);
   static Klass* array_klass_impl                      (instanceKlassHandle this_oop, bool or_null, int n, TRAPS);
   static void do_local_static_fields_impl               (instanceKlassHandle this_oop, void f(fieldDescriptor* fd, TRAPS), TRAPS);
   /* jni_id_for_impl for jfieldID only */
   static JNIid* jni_id_for_impl                         (instanceKlassHandle this_oop, int offset);
   // Returns the array class for the n'th dimension
   Klass* array_klass_impl(bool or_null, int n, TRAPS);
   // Returns the array class with this class as element type
   Klass* array_klass_impl(bool or_null, TRAPS);
 public:
   // CDS support - remove and restore oops from metadata. Oops are not shared.
   virtual void remove_unshareable_info();
   virtual void restore_unshareable_info(TRAPS);
   // jvm support
   jint compute_modifier_flags(TRAPS) const;
 public:
   // JVMTI support
   jint jvmti_class_status() const;
  public:
   // Printing
 #ifndef PRODUCT
   void print_on(outputStream* st) const;
 #endif
   void print_value_on(outputStream* st) const;
   void oop_print_value_on(oop obj, outputStream* st);
 #ifndef PRODUCT
   void oop_print_on      (oop obj, outputStream* st);
   void print_dependent_nmethods(bool verbose = false);
   bool is_dependent_nmethod(nmethod* nm);
 #endif
   const char* internal_name() const;
   // Verification
   void verify_on(outputStream* st);
   void oop_verify_on(oop obj, outputStream* st);
 };
 inline Method* InstanceKlass::method_at_vtable(int index)  {
 #ifndef PRODUCT
   assert(index >= 0, "valid vtable index");
   if (DebugVtables) {
     verify_vtable_index(index);
   }
 #endif
   vtableEntry* ve = (vtableEntry*)start_of_vtable();
   return ve[index].method();
 }
 // for adding methods
 // UNSET_IDNUM return means no more ids available
 inline u2 InstanceKlass::next_method_idnum() {
   if (_idnum_allocated_count == ConstMethod::MAX_IDNUM) {
     return ConstMethod::UNSET_IDNUM; // no more ids available
   } else {
     return _idnum_allocated_count++;
   }
 }
 /* JNIid class for jfieldIDs only */
 class JNIid: public CHeapObj<mtClass> {
   friend class VMStructs;
  private:
   Klass*             _holder;
   JNIid*             _next;
   int                _offset;
 #ifdef ASSERT
   bool               _is_static_field_id;
 #endif
  public:
   // Accessors
   Klass* holder() const           { return _holder; }
   int offset() const              { return _offset; }
   JNIid* next()                   { return _next; }
   // Constructor
   JNIid(Klass* holder, int offset, JNIid* next);
   // Identifier lookup
   JNIid* find(int offset);
   bool find_local_field(fieldDescriptor* fd) {
     return InstanceKlass::cast(holder())->find_local_field_from_offset(offset(), true, fd);
   }
   static void deallocate(JNIid* id);
   // Debugging
 #ifdef ASSERT
   bool is_static_field_id() const { return _is_static_field_id; }
   void set_is_static_field_id()   { _is_static_field_id = true; }
 #endif
   void verify(Klass* holder);
 };
 // If breakpoints are more numerous than just JVMTI breakpoints,
 // consider compressing this data structure.
 // It is currently a simple linked list defined in method.hpp.
 class BreakpointInfo;
 // A collection point for interesting information about the previous
 // version(s) of an InstanceKlass. This class uses weak references to
 // the information so that the information may be collected as needed
 // by the system. If the information is shared, then a regular
 // reference must be used because a weak reference would be seen as
 // collectible. A GrowableArray of PreviousVersionNodes is attached
 // to the InstanceKlass as needed. See PreviousVersionWalker below.
 class PreviousVersionNode : public CHeapObj<mtClass> {
  private:
   // A shared ConstantPool is never collected so we'll always have
   // a reference to it so we can update items in the cache. We'll
   // have a weak reference to a non-shared ConstantPool until all
   // of the methods (EMCP or obsolete) have been collected; the
   // non-shared ConstantPool becomes collectible at that point.
   ConstantPool*    _prev_constant_pool;  // regular or weak reference
   bool    _prev_cp_is_weak;     // true if not a shared ConstantPool
   // If the previous version of the InstanceKlass doesn't have any
   // EMCP methods, then _prev_EMCP_methods will be NULL. If all the
   // EMCP methods have been collected, then _prev_EMCP_methods can
   // have a length of zero.
   GrowableArray<Method*>* _prev_EMCP_methods;
 public:
   PreviousVersionNode(ConstantPool* prev_constant_pool, bool prev_cp_is_weak,
     GrowableArray<Method*>* prev_EMCP_methods);
   ~PreviousVersionNode();
   ConstantPool* prev_constant_pool() const {
     return _prev_constant_pool;
   }
   GrowableArray<Method*>* prev_EMCP_methods() const {
     return _prev_EMCP_methods;
   }
 };
 // A Handle-ized version of PreviousVersionNode.
 class PreviousVersionInfo : public ResourceObj {
  private:
   constantPoolHandle   _prev_constant_pool_handle;
   // If the previous version of the InstanceKlass doesn't have any
   // EMCP methods, then _prev_EMCP_methods will be NULL. Since the
   // methods cannot be collected while we hold a handle,
   // _prev_EMCP_methods should never have a length of zero.
   GrowableArray<methodHandle>* _prev_EMCP_method_handles;
 public:
   PreviousVersionInfo(PreviousVersionNode *pv_node);
   ~PreviousVersionInfo();
   constantPoolHandle prev_constant_pool_handle() const {
     return _prev_constant_pool_handle;
   }
   GrowableArray<methodHandle>* prev_EMCP_method_handles() const {
     return _prev_EMCP_method_handles;
   }
 };
 // Helper object for walking previous versions. This helper cleans up
 // the Handles that it allocates when the helper object is destroyed.
 // The PreviousVersionInfo object returned by next_previous_version()
 // is only valid until a subsequent call to next_previous_version() or
 // the helper object is destroyed.
 class PreviousVersionWalker : public StackObj {
  private:
   GrowableArray<PreviousVersionNode *>* _previous_versions;
   int                                   _current_index;
   // Fields for cleaning up when we are done walking the previous versions:
   // A HandleMark for the PreviousVersionInfo handles:
   HandleMark                            _hm;
   // It would be nice to have a ResourceMark field in this helper also,
   // but the ResourceMark code says to be careful to delete handles held
   // in GrowableArrays _before_ deleting the GrowableArray. Since we
   // can't guarantee the order in which the fields are destroyed, we
   // have to let the creator of the PreviousVersionWalker object do
   // the right thing. Also, adding a ResourceMark here causes an
   // include loop.
   // A pointer to the current info object so we can handle the deletes.
   PreviousVersionInfo *                 _current_p;
  public:
   PreviousVersionWalker(InstanceKlass *ik);
   ~PreviousVersionWalker();
   // Return the interesting information for the next previous version
   // of the klass. Returns NULL if there are no more previous versions.
   PreviousVersionInfo* next_previous_version();
 };
 //
 // nmethodBucket is used to record dependent nmethods for
 // deoptimization.  nmethod dependencies are actually <klass, method>
 // pairs but we really only care about the klass part for purposes of
 // finding nmethods which might need to be deoptimized.  Instead of
 // recording the method, a count of how many times a particular nmethod
 // was recorded is kept.  This ensures that any recording errors are
 // noticed since an nmethod should be removed as many times are it's
 // added.
 //
 class nmethodBucket: public CHeapObj<mtClass> {
   friend class VMStructs;
  private:
   nmethod*       _nmethod;
   int            _count;
   nmethodBucket* _next;
  public:
   nmethodBucket(nmethod* nmethod, nmethodBucket* next) {
     _nmethod = nmethod;
     _next = next;
     _count = 1;
   }
   int count()                             { return _count; }
   int increment()                         { _count += 1; return _count; }
   int decrement()                         { _count -= 1; assert(_count >= 0, "don't underflow"); return _count; }
   nmethodBucket* next()                   { return _next; }
   void set_next(nmethodBucket* b)         { _next = b; }
   nmethod* get_nmethod()                  { return _nmethod; }
 };
 // An iterator that's used to access the inner classes indices in the
 // InstanceKlass::_inner_classes array.
 class InnerClassesIterator : public StackObj {
  private:
   Array<jushort>* _inner_classes;
   int _length;
   int _idx;
  public:
   InnerClassesIterator(instanceKlassHandle k) {
     _inner_classes = k->inner_classes();
     if (k->inner_classes() != NULL) {
       _length = _inner_classes->length();
       // The inner class array's length should be the multiple of
       // inner_class_next_offset if it only contains the InnerClasses
       // attribute data, or it should be
       // n*inner_class_next_offset+enclosing_method_attribute_size
       // if it also contains the EnclosingMethod data.
       assert((_length % InstanceKlass::inner_class_next_offset == 0 ||
               _length % InstanceKlass::inner_class_next_offset == InstanceKlass::enclosing_method_attribute_size),
              "just checking");
       // Remove the enclosing_method portion if exists.
       if (_length % InstanceKlass::inner_class_next_offset == InstanceKlass::enclosing_method_attribute_size) {
         _length -= InstanceKlass::enclosing_method_attribute_size;
       }
     } else {
       _length = 0;
     }
     _idx = 0;
   }
   int length() const {
     return _length;
   }
   void next() {
     _idx += InstanceKlass::inner_class_next_offset;
   }
   bool done() const {
     return (_idx >= _length);
   }
   u2 inner_class_info_index() const {
     return _inner_classes->at(
                _idx + InstanceKlass::inner_class_inner_class_info_offset);
   }
   void set_inner_class_info_index(u2 index) {
     _inner_classes->at_put(
                _idx + InstanceKlass::inner_class_inner_class_info_offset, index);
   }
   u2 outer_class_info_index() const {
     return _inner_classes->at(
                _idx + InstanceKlass::inner_class_outer_class_info_offset);
   }
   void set_outer_class_info_index(u2 index) {
     _inner_classes->at_put(
                _idx + InstanceKlass::inner_class_outer_class_info_offset, index);
   }
   u2 inner_name_index() const {
     return _inner_classes->at(
                _idx + InstanceKlass::inner_class_inner_name_offset);
   }
   void set_inner_name_index(u2 index) {
     _inner_classes->at_put(
                _idx + InstanceKlass::inner_class_inner_name_offset, index);
   }
   u2 inner_access_flags() const {
     return _inner_classes->at(
                _idx + InstanceKlass::inner_class_access_flags_offset);
   }
 };
 #endif // SHARE_VM_OOPS_INSTANCEKLASS_HPP

Mercurial > jdk8-mips64-public > hotspot / annotate

src/share/vm/oops/instanceKlass.hpp@bd7a7ce2e264 (annotated)

src/share/vm/oops/instanceKlass.hpp